Regulation of gene expression in prokaryotes – operons Whiteboard exercise Play

Replication of genes without living cells Student activity Play

Replication of genes without living cells Whiteboard exercise Play

Reproduction in bacteria Animation Play

Resistance gene Slideshow Play

Reynolds experiment – laminar flow vs. turbulent flow Whiteboard exercise Play

Reynolds experiment – laminar flow vs. turbulent flow Student activity Play

Reynolds experiment – laminar flow vs. turbulent flow Animation Play

Selective breeding in animals Student activity Play

Selective breeding in cats Whiteboard exercise Play

Selective breeding in rabbits Slideshow Play

Sex-influenced traits Slideshow Play

Sex-linked and sex-influenced traits Whiteboard exercise Play

Sex-linked and sex-influenced traits Student activity Play

Sex-linked traits Slideshow Play

Sexual reproduction Student activity Play

Sickle cell disease Slideshow Play

Sickle cell disease Student activity Play

Sickle-cell disease Slideshow Play

Sickle-cell disease Student activity Play

Southern blot technique Animation Play

Southern blot technique – saving DNA on a nitrocellulose membrane Student activity Play

Species Whiteboard exercise Play

Species Student activity Play

Specific heat Animation Play